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Criteria for identifying and evaluating locations that could potentially host the Cosmic Explorer observatories
Kathryne J Daniel1, Joshua R Smith2, Stefan Ballmer3
1Department of Astronomy and Steward Observatory, University of Arizona, Tucson, Arizona 85721, USA.
The Review of Scientific Instruments
|January 9, 2025
Summary
Cosmic Explorer, a new gravitational-wave observatory, will significantly expand astronomical reach with its large-scale detectors. Site selection criteria balance scientific goals with community engagement for this next-generation facility.
Area of Science:
- Gravitational-wave astronomy and astrophysics.
- Cosmology and the early universe.
- Multi-messenger astronomy.
Background:
- Current gravitational-wave observatories like LIGO-Virgo-KAGRA have revolutionized astrophysics.
- The need for enhanced sensitivity and reach to probe new cosmic frontiers.
- The development of next-generation observatories is crucial for scientific advancement.
Purpose of the Study:
- To outline the scientific, cost, access, and social criteria for selecting Cosmic Explorer observatory sites.
- To ensure equitable partnerships with local and Indigenous communities throughout the facility's lifecycle.
- To define the requirements for a transformative gravitational-wave observatory.
Main Methods:
- Defining scientific requirements for increased sensitivity and detection range.
- Evaluating logistical and economic factors for large-scale infrastructure.
- Establishing frameworks for community consultation and benefit-sharing.
Main Results:
- Identification of key scientific performance metrics for Cosmic Explorer.
- Development of a multi-faceted site evaluation process.
- Emphasis on social responsibility and community integration in facility planning.
Conclusions:
- Cosmic Explorer's site selection will be guided by a comprehensive set of criteria.
- The project aims to achieve unprecedented gravitational-wave astronomy capabilities.
- Prioritizing community relationships is integral to the observatory's development and operation.
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